United Kingdom of Great Britain and Northern Ireland
Her Majesty's Armed Forces
| Armed forces of GBR: 4 records | ||||||||
| # | Name | Country | Army | People | Lastupdate | Notes | Roundel | |
| 1 | British Army | GBR | Army | 83.000 | 1900 | 1900 | ||
| 2 | Royal Air Force | GBR | Air Force | 35.000 | 1900 | 1900 | ||
| 3 | Royal Navy | GBR | Navy | 33.280 | 1900 | 1900 | ||
| 4 | Royal Navy | GBR | Navy | 33.280 | 1900 | 1900 | ||